Explaining Addition & Subtraction Strategies Math Centers | 2.NBT.9
Simply Creative Teaching11.6k Followers
Grade Levels
2nd
Subjects
Standards
CCSS2.NBT.B.9
Resource Type
Formats Included
Pages
25 pages
Simply Creative Teaching11.6k Followers
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Description
Practice explaining addition and subtraction strategies with these math centers! They align with 2nd grade Common Core standard 2.NBT.9 for students to work on explaining how they solve various 2-3 digit addition and subtraction problems. They are designed for you to use in your math centers and rotations.
Included are 3 different math stations for explaining strategies:
- Think It Through: Students will read different addition and subtraction scenarios on task cards and explain their answers in pictures, words, and numbers.
- Do You “Gnome” What the Mistakes Are: Students will find out what mistakes were made on various 3-digit addition and subtraction problems and fix them.
- Strategy Squares: Students will use four different strategies to solve various addition and subtraction problems.
Find more math centers aligned with 2nd grade standards:
- 2nd Grade Math Centers BUNDLE!
- Word Problem Centers (2.OA.1)
- Addition & Subtraction Fact Fluency Centers (2.OA.2)
- Even & Odd Centers (2.OA.3)
- Array Centers (2.OA.4)
- Place Value Centers (2.NBT.1)
- Skip Counting Centers (2.NBT.2)
- Read & Write #s Place Value Centers (2.NBT.3)
- Comparing 3-Digit Numbers Centers (2.NBT.4)
- Adding & Subtracting Two-Digit Numbers Centers (2.NBT.5)
- Adding Four Two-Digit Numbers (2.NBT.6)
- Add & Subtract 3-Digit Numbers Centers (2.NBT.7)
- Add & Subtract 10 & 100 Centers (2.NBT.8)
- Explaining Strategies Centers (2.NBT.9)
- Selecting & Using Measurement Tools (2.MD.1)
- Measuring Objects Twice (2.MD.2)
- Estimating Measurements (2.MD.3)
- Comparing Measurements (2.MD.4)
- Word Problems Involving Length (2.MD.5)
- Number Lines within 100 (2.MD.6)
- Telling Time Centers (2.MD.7)
- Money Centers (2.MD.8)
- Line Plot Centers (2.MD.9)Bar Graph & Picture Graph Centers (2.MD.10)
- Identifying Shapes & Shape Attributes (2.G.1)
- Partitioning Rectangles into Rows & Columns (2.G.2)
- Halves, Thirds, & Fourths Centers (2.G.3)
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Total Pages
25 pages
Answer Key
N/A
Teaching Duration
N/A
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Standards
to see state-specific standards (only available in the US).
CCSS2.NBT.B.9
Explain why addition and subtraction strategies work, using place value and the properties of operations.
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